bug: added missing semicolon in class spec file

Fixes #578

Author: Brocco

addon/ng2/blueprints/class/files/__path__/__name__.spec.ts

@@ -10,5 +10,5 @@ import {<%= classifiedModuleName %>} from './<%= fileName %>';
 describe('<%= classifiedModuleName %>', () => {
   it('should create an instance', () => {
     expect(new <%= classifiedModuleName %>()).toBeTruthy();
-  })
+  });
 });